Ask scientists a question, and you might get amazing answers. Consider this video, which poses three head-scratchers: what happens to electrons at absolute zero, whatever happened to the light from the Big Bang, and are you any good at sports?

This video is from the awesome Sixty Symbols project, the work of physicists and astronomers at the UK's University of Nottingham. In this Q&A, various professors tackle what happens when you mesh thermodynamics with quantum mechanics, where we can see the light from the Big Bang...and how they feel about more athletic pursuits: